Year	% of total population
1960	63.4442264306238
1961	61.9139800596754
1962	59.4116800920598
1963	57.2571062648974
1964	55.4006085192698
1965	53.8070110623941
1966	52.4611738117877
1967	51.340329508999
1968	50.3930370558681
1969	49.5625135584641
1970	49.2253457587358
1971	49.3531164011814
1972	49.4878456114307
1973	49.595620331749
1974	49.7018612882918
1975	49.8178120005811
1976	49.95174731488
1977	50.0985614458632
1978	50.2425573476799
1979	50.3801931223196
1980	50.4906902582039
1981	50.5722496722799
1982	50.5758856253994
1983	50.5506602565039
1984	50.617242600266
1985	50.5318600091926
1986	50.317299353471
1987	50.1998028850461
1988	50.1157073869342
1989	50.0321428419381
1990	49.9426638857266
1991	49.8801631406194
1992	49.8889755507449
1993	49.9855673963583
1994	50.1641590008112
1995	50.419306116008
1996	50.7416228191637
1997	51.1401609809961
1998	51.6383562427793
1999	52.2184926097258
2000	52.8429827399653
2001	53.2240971434041
2002	53.3840758401377
2003	53.5592459750978
2004	53.7039385657305
2005	53.8259097417438
2006	53.920512658056
2007	53.9752538351257
2008	54.0098331355404
2009	54.0670192221324
2010	54.1832177161885
2011	54.3517814286367
2012	54.3655505213914
2013	54.2398468184375
2014	54.1765191369996
2015	54.1953078581071
2016	54.3078445505968
2017	54.5043778375429
2018	54.7659266409266
2019	55.0960162908494
2020	55.5975320273874
2021	56.2022791703551
2022	56.7691898346157
2023	57.2925809394213